AR15 .300 Blackout Micro Pistol Upper Assembly 5" Barrel Custom 5.5" M

AR15 .300 Blackout Micro Pistol Upper Assembly 5" Barrel Custom 5.5" MLOK Handguard Complete w/ Charging Handle - Rose Gold

$349.99 $539.99

Description

Built around a 6061-T6 billet upper receiver with precise milspec tolerances, this upper features a 5.5” M-LOK handguard with an integrated handstop for added grip and maneuverability. The 5” 4150 CMV barrel with a 1:7 twist, chambered in .300 AAC Blackout, offers versatile performance across a range of loads. Outfitted with a 5/8x24 aluminum flash can, .750 gas block, micro gas system, and a steel barrel nut, this upper is compact and mission-ready. It’s finished with a forged milspec charging handle, forward assist, and steel ejection port cover—a tight, reliable package built for close-quarters performance. Optional BCG available.

Upper Specifications

6061-T6 Aluminum Billet Upper Receiver w/ Milspec Tolerances
6061-T6 Aluminum ABC Rifle Co 5.5” MLOK Handguard w/ Integrated Handstop
Steel Barrel Nut
4150 Chrome Moly Vanadium 5” 1:7 Twist .300 AAC Blackout Barrel
.750 Low Profile Steel Gas Block
Stainless Steel 5 3/16” Micro Gas Tube
5/8x24 7075 Aluminum Flash Can Muzzle Blast Diverter
Milspec Stamped Steel Ejection Port Cover
Milspec Forward Assist
Forged 6061-T6 Aluminum Milspec Charging Handle

General Specifications

Weight:
Overall Length:
Caliber: .300 Blackout

Billing and Shipping address MUST match the address that is on file with your Financial Institution or the order will be canceled and a $25 cancellation fee deducted from your refund.

Digital representations of Cerakote colors may vary due to lighting, screen settings, and image processing. For the most accurate color reference, consult official Cerakote color samples.

NOTE: ALL CUSTOM COATINGS ARE INSPECTED PRIOR TO SHIPMENT. ABC RIFLE COMPANY WILL NOT BE HELD LIABLE FOR ANY SCRATCHES, BLEMISHES, DINGS , ETC....

Specifications